May Weather in Koror Town, Palau

Last updated: August 31, 2025

May in Koror Town, Palau is characterized by a warm tropical climate, with average temperatures hovering around 28°C (82°F), peaking at a comfortable 29°C (85°F) and dipping to a mild 26°C (78°F). This month sees substantial precipitation, with an average of 389 mm (15.3 in) spread over 26 rainy days, contributing to the rich biodiversity of this island paradise. With humidity levels at a notable 78%, visitors can expect a lush and vibrant landscape, making May an ideal time for those who embrace the beauty of tropical rainforests and the refreshing scent of rain-drenched flora.

May Temperature in Koror Town

In May, Koror Town, Palau welcomes a slight uptick in temperatures as it transitions into the more humid summer months. The minimum temperature rises to 26°C (78°F), while the average hovers around 28°C (82°F), maintaining a pleasant warmth ideal for outdoor activities. With maximum temperatures reaching up to 29°C (85°F), the month features stable warmth typical of the region, mirroring the reliable climate of previous months. This gradual increase in heat, coupled with consistently warm conditions between 25-29°C, makes May an attractive time to experience the vibrant culture and stunning natural beauty of Palau. Whether you're exploring lush landscapes or enjoying the pristine waters, the weather is sure to enhance your adventure.

May Weather in Koror Town: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Koror Town, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koror Town, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818181818281818182828282
Data source: Temperature data for Koror Town generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Koror Town

In May, Koror Town, Palau experiences a significant peak in rainfall, with an impressive 389 mm (15.3 in) accumulated over 26 days, making it one of the wettest months of the year. This sharp increase follows a relatively dry March with only 188 mm (7.4 in) and mirrors the rising trend in precipitation as the region transitions into the warmer months. With nearly every day in May seeing rainfall, this month stands out not only for its volume but also for the duration of precipitation, reflecting Koror's tropical climate where lush landscapes thrive under the consistent shower. As the monsoon season approaches, this pattern of increased rainfall sets the stage for the wet summer months ahead, showcasing the rhythmic nature of Koror’s weather.

May Precipitation Trends in Koror Town

The chart displays monthly precipitation patterns in Koror Town, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Koror Town, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec235337188225389302365299284278278310
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Koror Town

In Koror Town, Palau, May marks a transition into the slightly drier months, with humidity dipping to 78%. This represents a gradual decline from the higher levels observed earlier in the year, peaking at 82% in both February and March. Despite this decrease, May's humidity remains comfortably high, characteristic of the tropical climate, creating a lush environment combined with warm temperatures. Following May, the trend continues with further drops in humidity, reaching a low of 77% in both June and July, suggesting a slow shift toward the drier parts of the year. Overall, the weather in May exemplifies the subtropical charm of Koror, where humidity is a constant presence, yet begins to ease as summer approaches.

May Average Humidity in Koror Town

This chart illustrates the average monthly humidity levels in Koror Town, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Koror Town is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%82%80%78%77%77%78%79%77%77%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Koror Town

As May rolls into Koror Town, Palau, residents and visitors can expect an extremely high UV Index of 15, with a burn time of just 10 minutes. This trend continues from the previous months, where a consistently high index between 15 and 16 has been recorded since March, highlighting the region's persistent exposure to intense sunlight. It's crucial for outdoor enthusiasts to remain vigilant, protecting their skin and eyes from harmful UV rays. With the UV Index beginning to dip slightly following May, the intensity of sun exposure remains a vital consideration for anyone enjoying the beautiful tropical climate of Palau. For more information on the UV Index in different months, visit Koror Town UV Index.

Maximum UV Index Levels in Koror Town for May

The chart shows the monthly maximum UV Index (UVI) for Koror Town in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Koror Town typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161513141515141312
Data source: Koror Town May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Koror Town

In May, Koror Town, Palau basks in an impressive 296 hours of sunshine, making it one of the sunniest months of the year. This bright peak follows a steady increase from 294 hours in March and 290 hours in April, showcasing a delightful trend as the dry season unfolds. The month is not only a highlight for sunlight but also sets the tone for the following months, which generally maintain strong sunshine records, averaging between 270 to 288 hours. Observing this pattern, it's evident that the allure of extended daylight in May not only enhances outdoor activities but also invites visitors to experience the vibrant beauty of Palau, making it a perfect time to explore its stunning landscapes and marine wonders.

Monthly Sunshine Duration in Koror Town: May Highlighted

The May sunshine duration represents the total number of hours Koror Town experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec225h260h294h290h296h279h278h288h278h277h271h271h
Data source: Koror Town May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Koror Town During May

In Koror Town, Palau, the likelihood of sunny weather takes an intriguing dip in May, dropping to a mere 14%. This contrasts sharply with the preceding months, where a steady increase in sunshine chances peaks at 35% in April. Following May, the sun re-emerges more frequently, with June showing a rebound to 27%. Throughout the year, patterns reveal a seasonal ebb and flow of sunshine, making May a distinct outlier in Koror's weather trend. If you’re planning a visit, consider that while May may not offer the most cheerful skies, the vibrant natural beauty of Palau still shines through, rain or shine.

Percentage of Sunny Days in May in Koror Town

The chart illustrates the percentage of sunny days in Koror Town throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Koror Town experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%22%27%35%14%27%11%26%16%19%26%18%
Data source: Koror Town May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Koror Town in May

In Koror Town, Palau, the daylight duration showcases a charming rhythm throughout the year. From January to February, the days begin with a consistent 11 hours of sunlight, creating a gentle transition into spring. As March arrives, daylight subtly increases, reaching 12 hours, a trend that continues steadily through June and extends into September. This balance of 12 hours not only highlights the tropical climate but also sets the perfect backdrop for outdoor activities. As the year progresses into October, daylight gradually declines back to 11 hours, with November and December echoing the earlier monotony of winter’s shorter days. Overall, Koror Town experiences a predictable yet captivating cycle of daylight that reflects its tropical essence.

Average Daylight Hours in Koror Town for May

The chart illustrates the variation in daylight duration in Koror Town throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 44m11h 52m12h 4m12h 16m12h 26m12h 31m12h 29m12h 20m12h 8m11h 56m11h 46m11h 41m
Data source: Koror Town daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Koror Town

In Koror Town, Palau, the month of May marks a transitional period in wind patterns, with an average wind speed of 5.1 m/s (11 mph). This slight uptick from the preceding month demonstrates a gentle increase in breeziness as the island moves from the calmer pre-summer months. Notably, March and April exhibit the lowest wind speeds of the year, creating a serene atmosphere, while May introduces a mild resurgence in air movement, reminiscent of the more blustery conditions of earlier months like January. As spring melds into summer, the prevailing winds remain comparatively light, setting the stage for a warm and inviting island experience, perfect for outdoor adventures. Overall, May is a period where breezes are pleasantly felt, balancing tranquility with a hint of invigorating freshness, inviting residents and visitors alike to enjoy the outdoors.

Average May Wind Speed in Koror Town

The chart displays monthly wind speed patterns in Koror Town, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.56.25.94.85.1 m/s2.44.23.03.74.74.36.2
Data source: Koror Town May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Koror Town Compares to Other Months

Weather in Koror Town varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Koror Town, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather conditions of May and January, both months experience relatively warm temperatures, with January having slightly lower averages. January sees minimum temperatures of 25°C (78°F) and averages around 27°C (81°F), while May's temperatures range from a minimum of 26°C (78°F) to an average of 28°C (82°F). However, May is notably wetter, receiving 389 mm (15.3 inches) of precipitation over 26 days, compared to January's 235 mm (9.2 inches) over 21 days. Additionally, while the humidity levels are quite similar, with May at 78% and January at 81%, January tends to feel a touch more humid. For more detailed insights, you can check out Koror Town weather in January.

When comparing the weather in May and February, both months exhibit warm temperatures, with average highs around 29°C (85°F). However, May tends to have slightly higher temperatures with an average of 28°C (82°F) compared to February's average of 27°C (81°F). Precipitation is also more pronounced in May, with a total of 389 mm (15.3 in) over 26 days, compared to February's 337 mm (13.3 in) over 22 days. Additionally, humidity levels are marginally higher in February at 82% versus 78% in May. For more details on February weather, check out Koror Town weather in February.

In March, the weather is slightly cooler than in May, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), while May sees a minimum of 26°C (78°F) and an average of 28°C (82°F). Notably, March experiences significantly less precipitation, with 188 mm (7.4 in) over 21 days compared to May's 389 mm (15.3 in) over 26 rainy days. Additionally, humidity levels are a bit higher in March at 82%, compared to 78% in May. For more detailed information, you can view Koror Town weather in March.

In comparing the weather of May and April, we see some notable differences. Both months have similar temperature ranges, with minimal variation: May's temperatures range from a minimum of 26°C (78°F) to a maximum of 29°C (85°F), while April's temperatures are slightly lower, with a minimum of 25°C (78°F) and an average of 27°C (82°F). However, May experiences significantly more rainfall, with 389 mm (15.3 in) over 26 days compared to April's 225 mm (8.8 in) over 23 days. Humidity also remains high in both months, with May slightly lower at 78% compared to April's 80%. For more detailed information on April's weather, you can refer to Koror Town weather in April.

May and June weather in Koror Town show some interesting similarities and differences. Both months experience a minimum temperature of 26°C (78°F) and a maximum of 29°C (85°F), with average temperatures remaining quite consistent at 28°C (82°F) in May and slightly lower at 27°C (82°F) in June. However, May sees significantly higher precipitation, with 389 mm (15.3 in) over 26 days, compared to June's 302 mm (11.9 in) over 28 days. Humidity levels are also comparable, with May at 78% and June slightly lower at 77%. For more detailed insights, check out the Koror Town weather in June.

In comparing the weather between May and July, we see that both months experience warm temperatures, with May slightly warmer on average, at 28°C (82°F) compared to July's 27°C (81°F). Both months feature a maximum temperature of 29°C (85°F), indicating similar heat levels. However, May has higher precipitation, totaling 389 mm (15.3 in) over 26 days, while July sees slightly less at 365 mm (14.4 in) over 28 days. Additionally, humidity levels are quite comparable, with May at 78% and July at 77%. For more detailed insights, you can check Koror Town weather in July.

May and August both offer warm temperatures, with May experiencing slightly higher averages and maximums. In May, the average temperature reaches 28°C (82°F), while August averages a bit lower at 27°C (81°F), although both months feature similar highs of 29°C (85°F). However, May is notably wetter, receiving 389 mm (15.3 in) of precipitation over 26 days, compared to August's 299 mm (11.8 in) over 27 days. Humidity levels remain consistent between the two months, both hovering around 78%. For more specific insights into August weather, you can visit Koror Town weather in August.

In comparing the weather of May and September, both months exhibit warm temperatures, with May seeing a slight edge in rainfall. May's minimum temperature is 26°C (78°F), averaging 28°C (82°F) and peaking at 29°C (85°F), accompanied by significant precipitation of 389 mm (15.3 in) spread over 26 days and a humidity of 78%. In contrast, September features similar temperature trends, starting at a minimum of 25°C (78°F) and averaging the same 28°C (82°F), but with a slightly higher maximum of 30°C (85°F). The precipitation in September is notably lower at 284 mm (11.2 in) over 25 days, with humidity slightly higher at 79%. For more specific insights on September weather, you can check Koror Town weather in September.

May and October exhibit similar average temperatures, with both months hovering around 28°C (82°F). However, October tends to be slightly warmer, with a maximum temperature of 30°C (86°F) compared to May's 29°C (85°F). Precipitation levels in May are notably higher, with 389 mm (15.3 in) falling over 26 days, while October experiences 278 mm (11.0 in) over just 25 days. Despite the similar humidity levels—78% in May and slightly lower at 77% in October—the differences in rainfall can make October a more pleasant month for outdoor activities. For specific details, check the Koror Town weather in October.

May and November share similar temperature ranges, with both months showcasing minimums of 26°C (78°F), averages of 28°C (82°F), and maximums of 29°C (85°F). However, May tends to be wetter, receiving 389 mm (15.3 in) of rainfall over 26 days, compared to November's 278 mm (10.9 in) of precipitation, also over 26 days. The humidity levels are nearly identical, with May at 78% and November slightly lower at 77%. For more details on November weather, check out Koror Town weather in November.

In May, temperatures in Koror typically range from a minimum of 26°C (78°F) to a maximum of 29°C (85°F), with an average temperature of 28°C (82°F). However, May is characterized by significant rainfall, with a total precipitation of 389 mm (15.3 in) spread over 26 days, contributing to the high humidity of 78%.

In contrast, December also sees similar temperature ranges, with lows at 26°C (78°F) and highs at 29°C (85°F), maintaining the same average of 28°C (82°F). Nonetheless, precipitation in December is slightly lower at 309 mm (12.2 in), despite being spread over 28 days. This results in a similar humidity level of 78%. For more detailed weather information in December, check out Koror Town weather in December.

Compare Koror Town's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Koror Town

As May unfolds in Koror Town, visitors can expect a blend of warmth and humidity, with average temperatures hovering around a comfortable 28°C (82°F). This month stands out due to higher precipitation levels, often resulting in frequent rain showers across nearly every day. Compared to the drier months that precede and follow, May's moist atmosphere and lush landscapes serve as a reminder of the tropical climate's beauty. For a deeper understanding of the weather patterns that shape this enchanting destination, explore the insights on Koror Town Climate.